A fire at a home Thursday afternoon is believed to have been caused by a Christmas tree.
Firefighters responded to the blaze just after 4 p.m. in the 3500 block of Redwing Court, the Naperville Fire Department said.
A fire was found on the first floor of the single-family home, and a all four residents were able to get out before firefighters arrived, the department said.
On Friday, the department said the fire started where a live Christmas tree was located in the living room. The fire was ruled accidental, but the case remained open.